Zip code 91743: Guasti, California
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 91743
91743 is a non-residential zip code for Guasti, California (San Bernardino County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 91743, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Guasti
- State
- California
- County
- San Bernardino County
- Center point
- 34.0650° N, 117.5864° W
- Time zone
- Pacific Time (UTC-8, UTC-7 in summer)
- Zip type
- PO box or unique zip
Zip codes near 91743
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 91764 | Ontario, CA | 1.3 mi | $81,762 |
| 91761 | Ontario, CA | 2.1 mi | $100,578 |
| 91730 | Rancho Cucamonga, CA | 2.5 mi | $92,237 |
| 91729 | Rancho Cucamonga, CA · PO box | 2.9 mi | — |
| 91758 | Ontario, CA · PO box | 3.7 mi | — |
| 91762 | Ontario, CA | 4.8 mi | $83,850 |
| 91701 | Rancho Cucamonga, CA | 5.1 mi | $114,244 |
| 91786 | Upland, CA | 5.1 mi | $92,458 |
| 91785 | Upland, CA · PO box | 5.3 mi | — |
| 91752 | Mira Loma, CA | 5.7 mi | $115,177 |
| 91737 | Rancho Cucamonga, CA | 6.3 mi | $122,334 |
| 91763 | Montclair, CA | 6.4 mi | $78,770 |
Questions about 91743
What city is zip code 91743?
91743 is assigned to Guasti, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 91743 in?
91743 is in San Bernardino County, California.
What time zone is 91743 in?
91743 is in Pacific Time.
What zip codes are near 91743?
The closest zip codes to 91743 are 91764, 91761, 91730, 91729, 91758.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 91743, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.